Home / 380,409.23-525,511.54-303,827.78

Finding the Fourth Proportional to 380,409.23, 525,511.54 and 303,827.78

Calculator

Solution

The fourth proportional to 380,409.23, 525,511.54 and 303,827.78 is: 419,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,409.23 : 525,511.54 = 303,827.78 : x
  2. Step 2: Convert to fraction form
    380,409.23/525,511.54 = 303,827.78/x
  3. Step 3: Cross multiply
    380,409.23x = 525,511.54 × 303,827.78
  4. Step 4: Simplify right side
    380,409.23x = 159,665,004,562.58
  5. Step 5: Solve for x
    x = 159,665,004,562.58/380,409.23
  6. Step 6: Final answer
    x = 419,719.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.